802.1X

802.1X is a network security protocol that helps control access to a network, like a gatekeeper for wired or wireless connections. It requires users or devices to authenticate themselves — typically with a username and password or digital certificate — before gaining access. This process ensures only authorized individuals or devices can connect, enhancing security. Think of it as a professional security check at a building entrance, verifying identity before granting entry, helping keep the network protected from unauthorized access.